550505055500 has 24 divisors (see below), whose sum is σ = 1202303042304. Its totient is φ = 220202022000.

The previous prime is 550505055479. The next prime is 550505055557. The reversal of 550505055500 is 5550505055.

It is a super-2 number, since 2×550505055500² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550504556 + ... + 550505555.

It is an arithmetic number, because the mean of its divisors is an integer number (50095960096).

Almost surely, 2^550505055500 is an apocalyptic number.

550505055500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550505055500 is an abundant number, since it is smaller than the sum of its proper divisors (651797986804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550505055500 is a wasteful number, since it uses less digits than its factorization.

550505055500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101010130 (or 1101010118 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 550505055500 in words is "five hundred fifty billion, five hundred five million, fifty-five thousand, five hundred".